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Login: | Explaining level changesPremier B: Westbury David Lloyd A v University of Bristol Ballers (Wed 06 Mar 2024)Match played between Richard Dodsworth (home) and Ben 'Thorpe Thorpe Thorpe' Thorpe (away).Match won by Richard Dodsworth. Result: 11-6,11-7,11-3. Starting level for Richard Dodsworth: 3,283, level confidence: 71%. Set manually. Starting level for Ben 'Thorpe Thorpe Thorpe' Thorpe: 3,191, level confidence: 82%. Set manually. Richard Dodsworth to win as he is currently playing 3% better than Ben 'Thorpe Thorpe Thorpe' Thorpe. Richard Dodsworth won all of the games and 67% of the points. This games result would be expected if he was better by around 55% or more. This points result would be expected if he was better by around 106% (PAR scoring). These are weighted and combined to calculate that Richard Dodsworth played 106% better than Ben 'Thorpe Thorpe Thorpe' Thorpe in this match. Assuming that any level changes are shared between both players, for this result it looks like Richard Dodsworth actually played at a level of 4,648 and Ben 'Thorpe Thorpe Thorpe' Thorpe at a level of 2,254. Without any damping, both players would need to be adjusted by 42% to match this result. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Richard Dodsworth changes to +41% and Ben 'Thorpe Thorpe Thorpe' Thorpe changes to -34%. After applying standard match damping, the adjustment for Richard Dodsworth becomes +13.1% and for Ben 'Thorpe Thorpe Thorpe' Thorpe becomes -11%. Apply match/event weighting of 75% for 'Mixed Spring 2023/2024' so the adjustment for Richard Dodsworth is +9.8% and for Ben 'Thorpe Thorpe Thorpe' Thorpe is -8.3%. Apply limits to the amount of change for a single match which are based on player level, level confidence and time since last match so that Ben 'Thorpe Thorpe Thorpe' Thorpe is limited to -5% level change. In general a player's level won't go up by more than 10% or drop more than 5% if they've played in the last 7 days but those limits are relaxed if their previous match was further back. Increase level confidence due to one more match played. Richard Dodsworth: 84%, Ben 'Thorpe Thorpe Thorpe' Thorpe: 90%. Reduce level confidence based on how unexpected the result is. Richard Dodsworth: 60%, Ben 'Thorpe Thorpe Thorpe' Thorpe: 64%. A final adjustment of -0.2% has been made to both players as part of the automatic calibration that is performed after each match. All players in this pool will have been adjusted equally in order to remain equivalent to other player pools. Final level for Richard Dodsworth: 3,599, level confidence: 60%. Final level for Ben 'Thorpe Thorpe Thorpe' Thorpe: 3,034, level confidence: 64%. Notes
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